$OpenBSD: patch-src_ssh_ng_fmt_plug_c,v 1.4 2015/01/18 11:57:22 sthen Exp $
--- src/ssh_ng_fmt_plug.c.orig	Thu Dec 18 00:59:02 2014
+++ src/ssh_ng_fmt_plug.c	Sun Jan 18 04:52:08 2015
@@ -42,6 +42,10 @@ static int omp_t = 1;
 #include "md5.h"
 #include "memdbg.h"
 
+#ifndef C_Block
+#define C_Block DES_cblock
+#endif
+
 #define FORMAT_LABEL		"SSH-ng"
 #define FORMAT_NAME		""
 #define ALGORITHM_NAME		"RSA/DSA 32/" ARCH_BITS_STR
